Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantas novas entradas começaram nas quartas de final?
 ###Tabelas: CREATE TABLE regular_season (regular_season_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Games INT, Won INT, Lost INT, Tied INT, Points INT, Goals for INT, Goals against INT, Standing VARCHAR) CREATE TABLE raiding_history (raiding_history_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Name VARCHAR, Nationality VARCHAR, Tonnage (GRT) INT, Fate VARCHAR) CREATE TABLE pro-am_event_finals:_5_4_titles_1_runner-up (pro-am_event_finals:_5_4_titles_1_runner-up_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Opponent in the final VARCHAR, Score VARCHAR) CREATE TABLE race_6a;_lightweight_manx_grand_prix (race_6a;_lightweight_manx_grand_prix_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Rider VARCHAR, Team VARCHAR, Speed VARCHAR, Time VARCHAR) CREATE TABLE teams (teams_id AUTO_INCREMENT PRIMARY KEY, Round VARCHAR, Clubs remaining INT, Clubs involved INT, Winners from previous round VARCHAR, New entries this round VARCHAR, Leagues entering at this round VARCHAR)  
SELECT New entries this round FROM teams WHERE Round = Quarter finals